Edmunds Answers



  • zaken1 04/01/09 11:12 pm PST

    They are the colors which are going to ruin your emissions and fuel economy when they are connected to that so called "performance chip" that you bought. Those are not really performance chips. All they do is to richen the fuel mixture. And that can also be done at far less cost with a $12 ten turn variable resistor. A real performance chip goes inside the computer, and controls spark advance, shift firmness, shift timing VS engine vacuum, and also changes the fuel mixture by different amounts under different speeds and loads. That's why they cost more.

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